9668779 has 2 divisors, whose sum is σ = 9668780. Its totient is φ = 9668778.

The previous prime is 9668773. The next prime is 9668783. The reversal of 9668779 is 9778669.

It is a strong prime.

It is an emirp because it is prime and its reverse (9778669) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9668779 - 2⁷ = 9668651 is a prime.

9668779 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (9668773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4834389 + 4834390.

It is an arithmetic number, because the mean of its divisors is an integer number (4834390).

Almost surely, 2^9668779 is an apocalyptic number.

9668779 is a deficient number, since it is larger than the sum of its proper divisors (1).

9668779 is an equidigital number, since it uses as much as digits as its factorization.

9668779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1143072, while the sum is 52.

The square root of 9668779 is about 3109.4660313308. The cubic root of 9668779 is about 213.0380661833.

The spelling of 9668779 in words is "nine million, six hundred sixty-eight thousand, seven hundred seventy-nine".